Hiro StackerDB API

Endpoints for interacting with StackerDB instances.

Operations 5

GET /v2/stackerdb/{principal}/{contract_name}/{slot_id} Get StackerDB chunk (latest version) #
GET /v2/stackerdb/{principal}/{contract_name}/{slot_id}/{slot_version} Get StackerDB chunk (specific version) #
GET /v2/stackerdb/{principal}/{contract_name} Get StackerDB metadata #
POST /v2/stackerdb/{principal}/{contract_name}/chunks Write StackerDB chunk #
GET /v2/stackerdb/{principal}/{contract_name}/replicas List StackerDB replicas #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/hiro-stackerdb-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

hiro-stackerdb-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Stacks 3.0+ RPC Stacker DB API
  version: 1.0.0
  description: 'This is the documentation for the `stacks-node` RPC interface.

    '
  license:
    name: CC-0
    url: https://creativecommons.org/publicdomain/zero/1.0/
servers:
- url: http://localhost:20443
  description: Local Stacks Node
tags:
- name: StackerDB
  description: Endpoints for interacting with StackerDB instances.
paths:
  /v2/stackerdb/{principal}/{contract_name}/{slot_id}:
    get:
      summary: Get StackerDB chunk (latest version)
      tags:
      - StackerDB
      security: []
      operationId: getStackerDbChunk
      description: 'Get the latest version of a chunk of data from a StackerDB instance.

        '
      parameters:
      - $ref: ./components/parameters/standard-principal.yaml
      - $ref: ./components/parameters/contract-name.yaml
      - name: slot_id
        in: path
        required: true
        description: Slot ID (u32 range)
        schema:
          type: integer
          minimum: 0
          maximum: 4294967295
      responses:
        '200':
          description: StackerDB chunk data
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v2/stackerdb/{principal}/{contract_name}/{slot_id}/{slot_version}:
    get:
      summary: Get StackerDB chunk (specific version)
      tags:
      - StackerDB
      security: []
      operationId: getStackerDbChunkVersioned
      description: 'Get a specific version of a chunk of data from a StackerDB instance.

        '
      parameters:
      - $ref: ./components/parameters/standard-principal.yaml
      - $ref: ./components/parameters/contract-name.yaml
      - name: slot_id
        in: path
        required: true
        description: Slot ID (u32 range)
        schema:
          type: integer
          minimum: 0
          maximum: 4294967295
      - name: slot_version
        in: path
        required: true
        description: Specific slot version (u32 range)
        schema:
          type: integer
          minimum: 0
          maximum: 4294967295
      responses:
        '200':
          description: StackerDB chunk data
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v2/stackerdb/{principal}/{contract_name}:
    get:
      summary: Get StackerDB metadata
      tags:
      - StackerDB
      security: []
      operationId: getStackerDbMetadata
      description: 'Get metadata about a StackerDB instance, including slot information.

        '
      parameters:
      - $ref: ./components/parameters/standard-principal.yaml
      - $ref: ./components/parameters/contract-name.yaml
      responses:
        '200':
          description: StackerDB metadata
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StackerDbMetadata'
              examples:
                stackerdb-metadata:
                  summary: StackerDB metadata response
                  value:
                  - slot_id: 0
                    slot_version: 1
                    data_hash: 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
                    signature: 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v2/stackerdb/{principal}/{contract_name}/chunks:
    post:
      summary: Write StackerDB chunk
      tags:
      - StackerDB
      security: []
      operationId: postStackerDbChunk
      description: 'Write a chunk of data to a StackerDB instance.


        The request body should contain a JSON object with the chunk data including

        slot_id, slot_version, signature, and hex-encoded data.


        The response indicates whether the chunk was accepted, and if not, provides

        detailed error information. Note that failed writes return HTTP 200 with

        accepted: false, not HTTP error codes.

        '
      parameters:
      - $ref: ./components/parameters/standard-principal.yaml
      - $ref: ./components/parameters/contract-name.yaml
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/StackerDbChunkData'
            examples:
              stackerdb-chunk-request:
                summary: StackerDB chunk data request
                value:
                  slot_id: 1
                  slot_version: 2
                  sig: 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef01
                  data: deadbeefcafebabe
      responses:
        '200':
          description: Chunk submission result (both success and failure cases)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StackerDbChunkAckData'
              examples:
                success:
                  $ref: ./components/examples/stackerdb-chunk-ack-success.example.json
                failure:
                  $ref: ./components/examples/stackerdb-chunk-ack-failure.example.json
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
  /v2/stackerdb/{principal}/{contract_name}/replicas:
    get:
      summary: List StackerDB replicas
      tags:
      - StackerDB
      security: []
      operationId: listStackerDbReplicas
      description: 'Get a list of replicas for a StackerDB instance.

        '
      parameters:
      - $ref: ./components/parameters/standard-principal.yaml
      - $ref: ./components/parameters/contract-name.yaml
      responses:
        '200':
          description: List of StackerDB replicas
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StackerDbReplicas'
              examples:
                stackerdb-replicas:
                  summary: List of StackerDB replicas
                  value:
                  - ip: 127.0.0.1
                    port: 20444
                    public_key_hash: 03abc123...
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    StackerDbMetadata:
      $ref: ./components/schemas/stackerdb-metadata.schema.yaml
    StackerDbReplicas:
      $ref: ./components/schemas/stackerdb-replicas.schema.yaml
    StackerDbChunkAckData:
      $ref: ./components/schemas/stackerdb-chunk-ack-data.schema.yaml
    StackerDbChunkData:
      $ref: ./components/schemas/stackerdb-chunk-data.schema.yaml
  responses:
    NotFound:
      description: Not found
      content:
        text/plain:
          schema:
            type: string
          example: Not found
    InternalServerError:
      description: Internal Server Error
      content:
        text/plain:
          schema:
            type: string
          example: Internal Server Error
    BadRequest:
      description: Bad request
      content:
        text/plain:
          schema:
            type: string
          example: Bad request
  securitySchemes:
    rpcAuth:
      type: apiKey
      in: header
      name: authorization
      description: 'Plain-text secret value that must exactly equal the node''s

        configured password, which is set as `connection_options.auth_token`

        in the node''s configuration file.

        '